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Abstract #2685

A High-Power RF Switch for Arterial Spin Labelling with a Separate Tagging Coil

Arthur W. Magill1, 2, Hongxia Lei, 13, Rolf Gruetter1, 3

1Laboratory of Functional and Metabolic Imaging, Ecole Polytechnique Fdrale de Lausanne, Lausanne, Switzerland; 2Department of Radiology, Univeristy of Lausanne, Lausanne, Switzerland; 3Department of Radiology, University of Geneva, Geneva, Switzerland

A high-power RF switch is demonstrated, designed to switch an RF power amplifier between imaging and tagging coils in an arterial spin labelling setup. The improvement offered by resonating the diodes with a parallel inductor is shown.